Anell, L., & Nygren, B. (1980). The developing countries and the world economic order. St. Martin's Press,.

Anell, Lars, and Birgitta Nygren. The Developing Countries and the World Economic Order. New York : Methuen: St. Martin's Press,, 1980.

Anell, Lars, and Birgitta Nygren. The Developing Countries and the World Economic Order. St. Martin's Press,, 1980.